Comparison of the Fatigue Crack Propagation Resistance of α+β and β Titanium Alloys |
| Journal |
Key Engineering Materials (Volumes 378 - 379) |
| Volume |
Advances in Understanding the Fatigue Behavior of Materials |
| Edited by |
Dr. T. S. Srivatsan, FASM, FASME |
| Pages |
117-130 |
| DOI |
10.4028/www.scientific.net/KEM.378-379.117 |
| Online since |
March, 2008 |
| Authors |
Matteo Benedetti
|
| Keywords |
Extrinsic Mechanisms, Fatigue Crack Propagation Resistance, Titanium (Ti), α+β Alloys, β Alloys |
| Abstract |
The present paper tries to summarize the relationship between microstructure, extrinsic
mechanisms and fatigue crack propagation resistance of α+β and β titanium alloys. Emphasis is
placed on microstructural parameters, which can be varied by processing, and their effects on the
material inherent fracture properties, governing the resistance against microcrack propagation.
Moreover, the resistance against macrocracks as well as small cracks in the presence of notch
plasticity has been discussed on the basis of secondary extrinsic mechanics such as crack front
geometry, crack bridging and crack closure. |
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